404154242 has 8 divisors (see below), whose sum is σ = 606317376. Its totient is φ = 202048452.

The previous prime is 404154221. The next prime is 404154271. The reversal of 404154242 is 242451404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16883 + ... + 33065.

It is an arithmetic number, because the mean of its divisors is an integer number (75789672).

Almost surely, 2^404154242 is an apocalyptic number.

404154242 is a deficient number, since it is larger than the sum of its proper divisors (202163134).

404154242 is a wasteful number, since it uses less digits than its factorization.

404154242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28672.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 404154242 is about 20103.5877892480. The cubic root of 404154242 is about 739.3482464446.

The spelling of 404154242 in words is "four hundred four million, one hundred fifty-four thousand, two hundred forty-two".